Added a convenience function SDL_CreateWindowAndRenderer()

libsdl-org · Jan 23, 2012 · 3ff3cb5 · 3ff3cb5
1 parent 6ad5c5a
commit 3ff3cb5
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Showing 2 changed files with 36 additions and 0 deletions.
diff --git a/include/SDL_render.h b/include/SDL_render.h
@@ -147,6 +147,22 @@ extern DECLSPEC int SDLCALL SDL_GetNumRenderDrivers(void);
 extern DECLSPEC int SDLCALL SDL_GetRenderDriverInfo(int index,
                                                     SDL_RendererInfo * info);
 
+/**
+ *  \brief Create a window and default renderer
+ *
+ *  \param width    The width of the window
+ *  \param height   The height of the window
+ *  \param window_flags The flags used to create the window
+ *  \param window   A pointer filled with the window, or NULL on error
+ *  \param renderer A pointer filled with the renderer, or NULL on error
+ *
+ *  \return 0 on success, or -1 on error
+ */
+extern DECLSPEC int SDLCALL SDL_CreateWindowAndRenderer(
+                                int width, int height, Uint32 window_flags,
+                                SDL_Window **window, SDL_Renderer **renderer);
+
+
 /**
  *  \brief Create a 2D rendering context for a window.
  *  

diff --git a/src/render/SDL_render.c b/src/render/SDL_render.c
@@ -126,6 +126,26 @@ SDL_RendererEventWatch(void *userdata, SDL_Event *event)
     return 0;
 }
 
+int
+SDL_CreateWindowAndRenderer(int width, int height, Uint32 window_flags,
+                            SDL_Window **window, SDL_Renderer **renderer)
+{
+    *window = SDL_CreateWindow(NULL, SDL_WINDOWPOS_UNDEFINED,
+                                     SDL_WINDOWPOS_UNDEFINED,
+                                     width, height, window_flags);
+    if (!*window) {
+        *renderer = NULL;
+        return -1;
+    }
+
+    *renderer = SDL_CreateRenderer(*window, -1, 0);
+    if (!*renderer) {
+        return -1;
+    }
+
+    return 0;
+}
+
 SDL_Renderer *
 SDL_CreateRenderer(SDL_Window * window, int index, Uint32 flags)
 {